| ARN | acute renal necrosis; acute retinal necrosis; arcuate nucleus; Association of Rehabilitation Nurses |
|---|---|
| BARN | bilateral acute retinal necrosis |
| CHRPE | congenital hypertrophy of the retinal pigment epithelium |
| CRA | central retinal artery; Chinese restaurant asthma; chronic rheumatoid arthritis; constant relative a... |
| CRB | chemical, radiological, and biological; congenital retinal blindness |